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Technical and Economical Feasibility Study of Using Solar Assisted Ground Source Heat Pumps in Iran

Mehrparvar, Arash | 2014

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 46878 (46)
  4. University: Sharif University of Technology
  5. Department: Energy Engineering
  6. Advisor(s): Sattari, Sorna
  7. Abstract:
  8. This research presents technical and economical feasibility study of using solar assisted ground source heat pumps (SAGSHPs) in different climatic zones of Iran. In order to evaluate technical and economical parameters of SAGSHPs, Iran is divided in to six main climatic zones including Tehran, Tabriz, Yazd, Rasht, Bandar abbas and Ardabil. Cooling and heating demands for a 1000 m2 residential building is calculated for each city, using modified bin method. Then a technical model has been developed by MATLAB software in order to evaluate systems optimal scale for supplying energy demands in each city. An economical model has been developed as well, to evaluate system’s annual energy savings and profitability, reduction in annual Carbon emissions, net present value, internal rate of return and payback time period of optimal system in each city. Annual energy balance calculation around ground borehole shows that combining solar collector with ground source heat pump systems is not feasible in Bandar abbas climate conditions and in order to maintain thermal balance in borehole, a cooling tower is needed to reject excess heat instead of solar collectors. The results show that Yazd has the highest amount of yearly energy saving and reduction of Carbon emissions and project payback time period is the lowest in this city. On the other hand, Ardebil has the minimum amount of yearly energy saving and reduction of Carbon emissions. Payback time period in Ardabil is highest among these six cities
  9. Keywords:
  10. Economy Model ; New Energies ; Solar Energy ; Feasibility Study ; Grounad Source Heat Pump ; Hybrid Heat Pump

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